Base | Representation |
---|---|
bin | 111010000110… |
… | …0111101001101 |
3 | 2010022121200211 |
4 | 1310030331031 |
5 | 30244234043 |
6 | 3004522421 |
7 | 516630556 |
oct | 164147515 |
9 | 63277624 |
10 | 30461773 |
11 | 16216421 |
12 | a250411 |
13 | 6407224 |
14 | 408d32d |
15 | 2a1aa9d |
hex | 1d0cf4d |
30461773 has 8 divisors (see below), whose sum is σ = 32321592. Its totient is φ = 28609536.
The previous prime is 30461741. The next prime is 30461777. The reversal of 30461773 is 37716403.
It can be written as a sum of positive squares in 4 ways, for example, as 7823209 + 22638564 = 2797^2 + 4758^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30461773 - 25 = 30461741 is a prime.
It is a super-2 number, since 2×304617732 = 1855839228607058, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30461777) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7861 + ... + 11077.
It is an arithmetic number, because the mean of its divisors is an integer number (4040199).
Almost surely, 230461773 is an apocalyptic number.
It is an amenable number.
30461773 is a deficient number, since it is larger than the sum of its proper divisors (1859819).
30461773 is a wasteful number, since it uses less digits than its factorization.
30461773 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3791.
The product of its (nonzero) digits is 10584, while the sum is 31.
The square root of 30461773 is about 5519.2185135216. The cubic root of 30461773 is about 312.3094022823.
The spelling of 30461773 in words is "thirty million, four hundred sixty-one thousand, seven hundred seventy-three".
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